[INFO] updating cached repository darksv/interpreter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/darksv/interpreter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/darksv/interpreter" "work/ex/beta-1.38-1/sources/1.37.0/gh/darksv/interpreter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/darksv/interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/darksv/interpreter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/darksv/interpreter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/darksv/interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab4f48265602cbf27c4154fd893affdf543ee861
[INFO] sha for GitHub repo darksv/interpreter: ab4f48265602cbf27c4154fd893affdf543ee861
[INFO] validating manifest of darksv/interpreter on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of darksv/interpreter on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing darksv/interpreter
[INFO] finished frobbing darksv/interpreter
[INFO] frobbed toml for darksv/interpreter written to work/ex/beta-1.38-1/sources/1.37.0/gh/darksv/interpreter/Cargo.toml
[INFO] started frobbing darksv/interpreter
[INFO] finished frobbing darksv/interpreter
[INFO] frobbed toml for darksv/interpreter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/darksv/interpreter/Cargo.toml
[INFO] crate darksv/interpreter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing darksv/interpreter against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/darksv/interpreter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f984caacdab0fa8f3fa681833ff864ec87d7b4a183b9d768984bccb1bb34d1bf
[INFO] running `"docker" "start" "-a" "f984caacdab0fa8f3fa681833ff864ec87d7b4a183b9d768984bccb1bb34d1bf"`
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling vm v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.26s
[INFO] running `"docker" "inspect" "f984caacdab0fa8f3fa681833ff864ec87d7b4a183b9d768984bccb1bb34d1bf"`
[INFO] running `"docker" "rm" "-f" "f984caacdab0fa8f3fa681833ff864ec87d7b4a183b9d768984bccb1bb34d1bf"`
[INFO] [stdout] f984caacdab0fa8f3fa681833ff864ec87d7b4a183b9d768984bccb1bb34d1bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/darksv/interpreter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 52e4064c9c13acdba150b0e9d7a8c48baaa2108691fd1182e525c2387eef00f7
[INFO] running `"docker" "start" "-a" "52e4064c9c13acdba150b0e9d7a8c48baaa2108691fd1182e525c2387eef00f7"`
[INFO] [stderr]    Compiling vm v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "52e4064c9c13acdba150b0e9d7a8c48baaa2108691fd1182e525c2387eef00f7"`
[INFO] running `"docker" "rm" "-f" "52e4064c9c13acdba150b0e9d7a8c48baaa2108691fd1182e525c2387eef00f7"`
[INFO] [stdout] 52e4064c9c13acdba150b0e9d7a8c48baaa2108691fd1182e525c2387eef00f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/darksv/interpreter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 5ebb9854943b8108db58a9247e0ac1e2bf2c47e66e9d86cee29ce096f522bf85
[INFO] running `"docker" "start" "-a" "5ebb9854943b8108db58a9247e0ac1e2bf2c47e66e9d86cee29ce096f522bf85"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vm-3aee8e9539edf899
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/run-ef213d2f3cc6e38a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vm
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5ebb9854943b8108db58a9247e0ac1e2bf2c47e66e9d86cee29ce096f522bf85"`
[INFO] running `"docker" "rm" "-f" "5ebb9854943b8108db58a9247e0ac1e2bf2c47e66e9d86cee29ce096f522bf85"`
[INFO] [stdout] 5ebb9854943b8108db58a9247e0ac1e2bf2c47e66e9d86cee29ce096f522bf85